eslint-plugin-sonarjs
Version:
SonarJS rules for ESLint
64 lines (63 loc) • 2.69 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.rule = void 0;
const index_js_1 = require("../helpers/index.js");
const meta_js_1 = require("./meta.js");
// https://vuejs.org/api/sfc-script-setup.html#defineprops-defineemits
const vueMacroNames = new Set([
'defineProps',
'defineEmits',
'defineExpose',
'defineOptions',
'defineSlots',
'withDefaults',
]);
exports.rule = {
meta: (0, index_js_1.generateMeta)(meta_js_1.meta, undefined, true),
create(context) {
const excludedNames = new Set();
const undeclaredIdentifiersByName = new Map();
return {
'Program:exit'(node) {
excludedNames.clear();
undeclaredIdentifiersByName.clear();
const globalScope = context.sourceCode.getScope(node);
globalScope.through.forEach(ref => {
const identifier = ref.identifier;
if (excludedNames.has(identifier.name)) {
return;
}
if (ref.writeExpr ||
hasTypeOfOperator(identifier) ||
isWithinWithStatement(identifier)) {
excludedNames.add(identifier.name);
return;
}
if (vueMacroNames.has(identifier.name) && (0, index_js_1.isInsideVueSetupScript)(identifier, context)) {
return;
}
const undeclaredIndentifiers = undeclaredIdentifiersByName.get(identifier.name);
if (undeclaredIndentifiers) {
undeclaredIndentifiers.push(identifier);
}
else {
undeclaredIdentifiersByName.set(identifier.name, [identifier]);
}
});
undeclaredIdentifiersByName.forEach((identifiers, name) => {
(0, index_js_1.report)(context, {
node: identifiers[0],
message: `"${name}" does not exist. Change its name or declare it so that its usage doesn't result in a "ReferenceError".`,
}, identifiers.slice(1).map(node => (0, index_js_1.toSecondaryLocation)(node)));
});
},
};
},
};
function isWithinWithStatement(node) {
return !!(0, index_js_1.findFirstMatchingAncestor)(node, ancestor => ancestor.type === 'WithStatement');
}
function hasTypeOfOperator(node) {
const parent = node.parent;
return parent?.type === 'UnaryExpression' && parent.operator === 'typeof';
}